Pair of waterproofing film. Hydro and vapor barrier films, Tyvek roof waterproofing. Where are hydro-vapor barrier membranes used?

The builders of the 21st century no longer imagine modern roof without hydro and steam insulating materials. It is roofing films and membranes that are responsible for the safety of your roof in conditions of prolonged downpours and thaws. It is they who do not allow the penetration of wind and cold into your home. Therefore, the choice of hydro-vapor barrier films should be given close attention.

Features of hydro and vapor barrier materials

Underlayment films perform a dual function. Waterproofing films prevent moisture from entering the heat-insulating material and roof structure during heavy rains, snowmelt, etc., thereby creating an additional barrier from the outside. Vapor barrier films are mainly used in heated rooms. Vapors from the room tend upwards, penetrating into the roofing system. Due to the temperature difference, the steam turns into condensate, which settles on the roof structures, causing rotting processes and worsening the properties of heat-insulating materials. In order to avoid such processes, the use of vapor barrier materials is invariably the most effective.

Depending on the physical state, hydro and vapor barrier materials film, membrane, roll, mastic and powder type. According to the method and material of manufacture, vapor-waterproofing roofing films can be divided into polyethylene, polypropylene and diffusion membranes.

Our product range includes the following roofing film manufacturers:

• DORKEN
• Tyvek (Tyvek)
• JUTA (Yutafol)
• Izospan

Which hydro-vapor barrier film to choose.

Dörken hydro-vapor barrier films

Developed by Dorken GmbH & Co. KG, Germany, membranes meet all standards German quality and guarantee the long life of your roof. Trademark DELTA German company has been on the world market for over 40 years. Advantages of these insulating films:

• Production from primary raw materials;
• More stringent requirements for production in Germany, unlike the rest of Europe;
• The main functional layer - the film - makes up 70% of the membrane;
• Three-layer diffusion membranes are superior in quality to two-layer membranes from other manufacturers.

For every purpose, Dorken GmbH & Co. KG offers different solutions on the use of DELTA insulating films. If you are building a house for year-round use, it is better to choose DELTA-REFLEX / DELTA-REFLEX PLUS films. Thanks to them, the thermal protection of the roof increases by 10%, because they consist of a reflective layer of aluminum applied by vacuum deposition. They are also good in rooms with high humidity (kitchen, bath, swimming pool) and - with a normal microclimate (bedroom, study, etc.). In addition, they are suitable for repairing attics from the inside.

When building a dacha for seasonal living or when building a wooden house best solutions will become DELTA-LUXX/DELTA-FOL PVG. They will help to dry the insulation at a lower humidity indoors compared to atmospheric air. The DELTA-Sd-FLEXX brand is good for renovating attics from the outside.

insulating Tyvek membranes(Tyvek)

The development of Tyvek hydro-vapor barrier film belongs to the world famous company Dupont, Luxembourg. The following advantages of this product can be distinguished:

High functional layer thickness compared to other multilayer membranes;

Tyvek films withstand temperatures up to 100̊С;

Unique technology flash-spunbond production;

Tyvek materials have proven to be UV and heat resistant.

The use of polyethylene in Tyvek films is preferable to the use of polypropylene, products from which will be inferior in quality.

What materials are used for pitched roofing?

DuPont recommends DuPontTM Tyvek Soft, DuPontTM TyvekSolid Silver as insulating material for pitched roofs. For flat roofs, DuPontTM Tyvek Supro / Tape is suitable. For concrete structures, wood and steel frames and ventilated facades, it is better to use the DuPontTM Tyvek Housewrap brand.

Steam and waterproofing roofing films Yutafol

Manufactured by JUTA a.s. located in the Czech Republic. More than 80% of the company's products are exported. This alone speaks of the popularity and availability of Yutafol membranes. Distinctive features of films produced by JUTA a.s.:

• Low price for Yutafol in comparison with similar film models;
• Polymer materials JUTA a.s. comply with the ISO 9001 standard;
• Service life of insulating membranes up to 100 years.

For a pitched roof with ventilation, it is recommended to use films Yutafol D 110 Standard/Special, Yutafol D 140 Standard/Special, Yutafol D 96 Silver. membranes under trademarks Yutafol H 110 Standard/Special, Yutafol N 140 Standard/Special, Yutafol H 96 Silver are vapor barrier films. There are also vapor-proof films with a reflex layer YUTAFOL REFLEX H 110/130/150, YUTAFOL NAL 170 Special.

Hydro and vapor barrier materials Izospan

For more than 12 years, domestic insulation materials Izospan have been presented on the markets of Russia and the CIS countries. Waterproofing membranes are produced in the Tver region at the company's own production base "Geksa - non-woven materials". These films can compete with imported analogues and have a number of features:

• It is easy to work with the material: it is easily cut, does not tear in places of inflection;
• Exact compliance with the declared characteristics;
• No selection harmful substances;
• Self-extinguishing of films in case of fire due to the addition of fire-fighting substances;
• Excellent mechanical characteristics.

The Izospan series of insulating membranes can be divided into:

1. Vapor-permeable (A, AM, AS, A with fire protection);
2. Waterproofing (B, C, D, DM);
3. Hydro and vapor barrier with a reflective coating (FB, FS, FX, FD).

To ensure that the issue of choosing an insulating material for your roof does not take much time, you can get advice from our specialists absolutely free of charge.

Hydro-vapor barrier roofing films ( roll waterproofing, vapor barrier, wind and moisture protective film) are needed to protect the roof and walls from moisture, wind and condensate. Modern construction technologies imply the mandatory use of high-quality insulating films and membranes to maintain a comfortable microclimate in the house. Insulating films are located over the entire area of ​​the roof and provide correct mode work of thermal insulation, significantly reducing heat loss in the house, which leads to significant savings in your budget.

Neglect of insulating materials during construction can lead to sad consequences in the form of a leaking roof or a violation of the thermal insulation parameters of the house, up to the destruction of the roof structure, which can lead to further destruction of the walls of the house. Therefore, it is important to make exact calculation and choose the right waterproofing for the roof, as well as other protection elements, such as a vapor barrier film.

A fairly extensive range, which includes modern roofing insulating films, allows you to purchase the most suitable option for roof waterproofing in terms of financial capabilities. To date, the manufacture of any insulating materials is impossible without observing the requirements of environmental safety.

Insulating films are divided into 3 types:

1. waterproofing
2. vapor barrier
3. wind protection

Roof waterproofing

The waterproof film protects roof structure, including a layer of thermal insulation from the ingress of external moisture and condensate. Waterproofing films with microperforation and waterproofing anti-condensation films have a low vapor permeability and require a ventilation gap under the film during installation.

Diffusion waterproofing membranes have high vapor permeability, allowing the structure to "breathe" and can be laid directly on solid crate or thermal insulation without ventilation gap under the membrane.

Roof vapor barrier

Vapor barrier is used to protect the roofing "pie" from the ingress of moisture vapor from inside the house, accumulating in top point buildings from human activities such as cooking or cleaning.

When choosing a vapor barrier film, our employees also recommend paying attention to its strength, since during operation, the pressure of the insulation increases on the vapor barrier for the roof due to its sagging. During installation, the vapor barrier film must be glued at the joints and at the junction of the film to the structural elements with special double-sided tape.

You can buy hydro-vapor barrier in Moscow from us High Quality the best manufacturers at a good price:

• insulating Tyvek films(Tyvek, Luxembourg)
• insulating Juta films(Utah, Czech Republic)
• Insulating films Delta (Delta, Germany)
• Insulating films Izospan (Russia)

During construction modern home, you need to pay attention to the sequence of steam and waterproofing of the roof, which in turn saves energy and protects the truss system with insulation from moisture, throughout the life of the house. Main waterproofing materials for roofing, proven in practice - these are roofing films: Fibrotek RS-2, Yutavek 115, Tyvek Soft and Delta. Such roofing films can and should be preferred. Based on experience, I want to offer only the best waterproofing, vapor barrier and windproof membranes.

Many builders do not even know that when installing or installing a facade structure, for example, siding, two films are always used. These are roof waterproofing, which draws excess moisture out of the ventilation space, and vapor barrier, which reflects heat from inside your home. Steam and waterproofing for roofing is a standard that is fixed all over the world and is also used in climatic zones Russia. Complex structures roofs, for example, soft roofs, always provide for the presence of a competent roofing pie with a lower and upper membrane. Films for a roof have different cost, all depending on a scope. cold roof implies inexpensive films, but if you are insulating the roof, then be sure to use vapor barrier from inside the room, preferably with an aluminum layer, and use diffusion membranes on top of the truss system as waterproofing. In this way, you will create a long-term, organized microclimate in the roof space of your building.

Functions of hydro and vapor barrier:

The main purpose of waterproofing is to let air through (breathe) and not let in moisture. As a rule, it is installed under the roof for ventilation of the roofing pie. Vapor barrier - used to keep warm air in the house (reflects heat).

Using correct installation films, you keep the insulation dry, and rafter system lasts much longer. Often, waterproofing for a roof saves from heavy slanting rain, snow, drops of water still fall under the roof and simply drain into the gutter along the membrane.

The most reliable option is when the insulation is laid with a thickness of 100 mm, 150 mm, thereby leaving a ventilation gap of 50 mm between the insulation and waterproofing. In this case, we recommend installing a waterproofing diffusion membrane with micro-perforations from the premium series, such as: Fibrotek RS2 PROF, TYVEK Soft, or UTAVEK 115, which can also be laid with 200 mm insulation, without a ventilation gap. A film of this class perfectly ventilates the roof cake and provides good air exchange. As for the insulation of the facade, for example, log siding, then be sure to create a ventilation gap! You can not fix the siding directly on the film. Firstly, you will make a hole in it, and secondly, there will be no necessary ventilation. If you do not insulate the roof and walls, then you can install an inexpensive economy class reinforced waterproofing film such as: UTAFOL D 96 Silver, Yutafol D110.

The concept of roofing wept:

Do not install cheap film together with insulation, in order to avoid condensation, stains on the ceiling and costly repairs!!! To date, there is a very large variety of hydro-vapor barriers and everyone wants to build their house from QUALITY materials. Products costing less than one and a half thousand rubles will quickly fail - these materials do not fulfill their functions !!! For this money, there is a chance to get only, beautiful packaging. Purchase roofing films only in specialized stores.

Bestsellers

	Yutafol D 96 Silver is a waterproofing and is a two-layer laminated perforated polypropylene film, has dimensions of 1.5 x 50 m and a density of 96 g/m 2 . Manufacturer: Czech Republic roll 75m2	1395 rubles / piece
	Yutafol H 110 Standard it is a vapor barrier that consists of three layers: a very strong perforated mesh, which is laminated on both sides with a vapor barrier polyethylene film, has dimensions of 1.5 x 50 m and a density of 110 g/m 2 . Manufacturer: Czech Republic roll 75m2	2300 rubles / piece
	Yutafol D 110 Standard This waterproofing film, which consists of three layers: reinforced mesh, made of polyethylene strips and perforated polyethylene on both sides. The film has dimensions of 1.5 x 50 m and a density of 110 g/m 2 . Manufacturer: Czech Republic roll 75m2	2300 rubles / piece
	Fibrotek RS-2 Prof is a superdiffusion four-layer polypropylene membrane. Provides waterproofing and wind protection of insulation in roofing and wall structures. The high vapor permeability of the material does not prevent the removal of water vapor, preventing the formation of condensate. Film 50 x 1.5 m, density 105 g/m2. Manufacturer: Russia roll 75m2.	3600 rubles / piece SALE
	Yutavek 115 is a three-layer polypropylene waterproofing, superdiffusion roof membrane Yutavek 115 is used to protect roofs and walls. It has excellent strength, which provides high-quality waterproofing ability. Yutavek 115 has dimensions of 1.5 x 50 m and a density of 115 g/m 2 . Manufacturer: Czech Republic roll 75m2	4450 rubles / piece
	Tyvek Soft is a single layer non-woven high strength polyethylene. Tyvek Soft waterproofing is weather resistant and highly vapor permeable. Has a wide temperature range of application and high resistance to tearing. Film 50 x 1.5 m and density 58 g/m 2 . Producer: Luxenburg roll 75m2	5100 rubles / piece
	Yutafol H AL170 is a four-layer reinforced polyethylene vapor barrier film for roofs and walls with a reflective aluminum layer. Its use prevents the penetration of steam into the wall structure, and the reflectivity (more than 95%) of the aluminum layer reduces heat loss. Size 50 x 1.5 m and density 170 g/m 2 . Manufacturer: Czech Republic roll 75m2	5450 rubles / piece
	Tyvek Solid is a single layer waterproofing non-woven polyethylene. It is highly resistant to weathering and, if necessary, is laid directly on the insulation. Has a wide temperature range for application. Unlike Soft film, Solid has increased strength characteristics. Film 50 x 1.5 m and density 82g/m2. Producer: Luxenburg roll 75m2	6550 rubles / piece
	Tyvek DuPont Airguard SD5 is a two-layer high strength non-woven polypropylene film. It is used as a vapor barrier of the highest category, which evenly removes from the room excess moisture without the risk of condensation. Airguard fibers control comfortable temperature and room humidity. Film 50 x 1.5 m and density 108g/m2. Producer: Luxenburg roll 75m2	8400 rubles / piece
	Delta-vent n is a three-layer polypropylene waterproofing, superdiffusion membrane, which is used for ventilated roofs and facades. Handles moisture and condensation well. Delta vent N premium film.	5270 rubles / piece
	Adhesive tape SP-1 special two-sided adhesive tape for hydro and vapor barrier. It is used for hermetic connection of sheets of hydro and vapor barrier films, as well as for organizing a hermetic adjoining to wooden and metal structures roofs. Roll 25 meters. Width 20mm.	500 rubles / piece
	Delta-multi-band m60 is a very strong one-sided adhesive tape for gluing the joints of waterproofing and vapor barrier overlaps. It has an excellent adhesive base and is often used in repairs roofing films. Roll 25 meters. Width 60mm.	1100 rubles / piece

Video instruction for installation of TYVEK roofing film

Tyvek waterproofing is nonwoven fabric manufactured by DuPont. It is used to protect thermal insulation materials from moisture penetration, and also serves to effectively remove water vapor.

Ecoplast (material information) /

Roofing polymeric membrane based on high-quality plasticized polyvinyl chloride (PVC). Stabilized against UV radiation using the TRI-P® system. Contains flame retardants and special stabilizers. It has increased elasticity for easier styling at low temperatures.

Logicroof (material information) /

LOGICROOF PVC membranes are used for waterproofing single-layer roofing systems mechanically fastened and welded with hot air using automatic equipment. The membranes remain flexible low temperatures and apply in all climatic regions.

Planter (material information) /

PLANTER are one- and two-layer universal polymeric membranes used in industrial, civil, transport and hydraulic engineering construction. Membranes are made by forming a single web of raw material from polyethylene high density(HDPE). The entire area of ​​the front surface of the membranes is made in the form of cone-shaped protrusions 8 mm high and attached to them (for certain grades) geotextile material.

Duke (material information) /

Domestic hydro- vapor barrier Roofing films Duke from Sarov Polymers LLC. Provide the necessary humidity conditions in the under-roof space.

Until recently, it was practically unrealistic to provide absolute protection of the under-roof space from moisture penetration in roof structures of any type. Various vapor and waterproofing materials have long been an integral part of any roofing project.

Euromet offers latest materials to provide vapor and waterproofing of the roof and facade, which are endowed with a number of new advantages and properties.

Waterproofing materials from Euromet:

• serve as a reliable protection of the roof from the penetration of steam from interior spaces. As a result, condensation does not form in the under-roof space;
• thanks to its increased strength are able to protect building structures from the effects of the external environment at the installation stage roofing;
• durable. Their service life is several times longer compared to traditional vapor and waterproofing roofing materials.
• they are not subject to decay, mold does not form on them, and pests are completely indifferent to them;
• absolutely safe for human and animal health;
• have low flammability and do not spread fire.

The steam and waterproofing materials we offer will ensure the necessary temperature and humidity conditions for the operation of the roof at any time of the year and almost completely eliminate the possibility of moisture getting into the under-roof space.

Proper use of new construction technologies improves operating parameters buildings. The vapor barrier film prevents the penetration of moisture into the depth of architectural structures. It prolongs their durability, provides protection against negative external influences. In order for such a barrier to perform its functions flawlessly, it is necessary to know the methods for selecting and using appropriate materials.

Air does not conduct heat well. This feature is used to improve the energy efficiency of buildings. In particular, mineral wool or other porous materials are used. They are installed in the construction of walls, floors and ceilings, under the roof.

Modern heaters have good consumer characteristics. But their beneficial features will be significantly reduced when moisture penetrates into the structure. To exclude such negative processes, vapor barrier films.

Such material is not intended for solving typical waterproofing problems. It prevents the penetration of water into the mold smallest particles, pair.

The simplest pattern is custom polyethylene film. With its help, you can solve the problem indicated above, but only partially:

• When the temperature outside changes, the dew point shifts and condensation inside building structures is not ruled out. An impenetrable barrier will become an obstacle to its removal in a natural way.
• Owners wooden houses they are valued for their unique micro-ventilation. It helps to maintain a healthy atmosphere in the premises without specialized equipment. In this case, complete sealing would also be redundant.
• Also useful in the bath good thermal insulation. But many polymers will break down at high temperatures. Films from them are not able to reflect infrared radiation and thereby improve performance characteristics the corresponding object.

The listed tasks are successfully solved with the help of various modifications of the materials of this group.

Application of insulation

To make the installation relatively simple, and in the process of future operation there are no problems, you should first take into account all the features of a particular project.

When placing insulation outside the building, it will come in handy good protection from the wind. Some polymers are degraded by direct ultraviolet radiation, so an appropriate outer skin must be provided. Universal vapor barrier film will withstand without damage big swings temperature.

Internal insulation creates conditions for the dew point to move towards the room. Therefore, its application is preceded by an accurate engineering calculation. Usually, the vapor barrier film is installed from the side of the warm area. But in this case, a more complex multilayer construction covering the mats from all sides.

A vapor barrier material is suitable that does not prevent moisture from escaping to the outside. Between it and the wall leave a small distance for ventilation. They provide free access to air. If necessary, special gratings are installed in the cladding.

Particular care must be taken with wooden structures. They themselves, and not just a special insulation, need reliable protection from moisture.

The figures show that in some cases a vapor barrier will be required at the joints between the insulation, the floor slab, the joists and the flooring. Ventilation ducts are also created in the floor structure.

Similarly, a hydro vapor barrier film is installed under the roof. Take into account the potentially greater possibility of water penetration from the outside. Also pay attention to the mode of operation. while maintaining high temperature winter in attic rooms increase the likelihood of condensation.

Vapor barrier with foil is used in the bath. Here it helps to keep warm and high humidity(when using Russian technology or hamam). It also prevents the penetration of water into the insulation and wooden parts. It is installed under the casing with a ventilation gap, a metallized layer towards the room.

In all of the above options, the installation of the vapor barrier film is carried out carefully. Thin materials are overlapped by 15-20 cm with a stapler. The seams are closed with tape. If necessary, use a tape with a foil layer.

Varieties of materials

It is easier to understand different types and technologies of vapor barrier if you carefully study the current offers in the relevant market segment. In order for the study to be substantive, the products of the Akston brand will be further considered. This manufacturer produces a fairly wide range of materials.

The most democratic price vapor barrier membrane type "B". It consists of two layers with different surface quality. The side with increased roughness retains condensate on itself, which subsequently evaporates naturally. It is she who is directed when laying outside.

This mechanism of operation prevents the free movement of drops and the flow of moisture into other elements. building structure. With the use of one standard package weighing about one kilogram, you can close up to 15 square meters. area. Working with it quality material does not cause any significant problems.

Under the designation "C" is a hydro-vapor barrier. It can be used indoors and outdoors. In particular, such a film is often used to install ventilated facade structures. It is about 30% heavier than the previous version, but stronger.

The waterproofing modern vapor-permeable membrane "D" is reinforced with special structural inserts. Such products are used when installing a layer of insulation under the roof. Subject to right technology installation, they will not let water through even with significant violations in the layer of tiles or other topcoat.

All products in this category can be divided into the following groups:

• Protozoa inexpensive materials for vapor barrier of 1-2 layers. They are capable of performing only basic functions.
• Vapor barrier membranes with modified surface roughness. A typical example of such products is the “B” film of the Akston brand discussed above.
• "Active". This group includes products with microscopic holes. Such vapor barrier films allow air to pass through, therefore they are often used in combination with wooden house structures.
• Infrared-reflecting hydrovapor barrier has been discussed above. quality products of this category can significantly increase the efficiency heating appliances. They are more expensive, but their installation helps to save money during operation.
• An interesting variety of foil materials is a layer of several millimeters of foamed polymer. Not bad thermal insulation properties vapor barrier films of this type are used to solve various practical problems.
• Vapor-permeable waterproofing ("Axton" "C") is more expensive. But it is stronger than other options, has good resistance to stress and mechanical influences different nature.

Film use

To understand how to choose the right products and for the exact application of vapor barriers, it is necessary to study in detail specific example with insulated pitched roof. For this option, a universal hydro- and vapor barrier is suitable. Installation of the appropriate film is performed smooth surface up.

To ensure that the condensate discharge is sufficiently active, two layers of ventilation are installed on both sides of the main insulation. The lower part of the system is used to accumulate and remove moisture that came along with warm air from the premises. The durable film prevents the penetration of rain and melt water.

Vapor barrier installation

Before proceeding with the installation of the product, it is necessary to find out one more question, which side to fix the vapor barrier. Above there were references to the need to observe a certain focus. Each manufacturer indicates the relevant data in official instructions. However, you can use the following generic information:

• If there is a rough surface, it is installed in the direction where moisture will condense. For example, it is mounted above the insulation under the roof, leaving a gap of several centimeters for ventilation.
• A film of several layers is directed with a smooth surface to mats made of mineral wool or other heater.
• If foil is fixed on the material, it is installed towards the heat source.

Many products of this class are rolled up in a special way so that there is an outer layer on the outside. This speeds up styling and prevents errors at the same time.

Membrane protection together with thermal insulation can be installed under the roof according to the following algorithm:

1. Select and purchase appropriate materials, tools. For the production of work you will need:

• professional stapler (construction, furniture);
• adhesive tape one, - and double-sided;
• self-tapping screws;
• electric screwdriver;
• roulette;

2. Mineral wool mats are installed between the rafters. To them, self-tapping screws will strengthen the crate.

• The film is fixed on this frame with double sided tape. To completely close the entire area and work with complex areas, cut the corresponding blanks. Be sure to observe the recommended orientation of the outer layer.
• Parts of the edges are fixed using a professional stapler. The rows are laid with an overlap of about 20 cm, followed by sealing the cracks with one-sided tape.
• A solid roll is laid in the area of ​​\u200b\u200bthe ridge. There should be no seams here.
• Bars are installed on the membrane. They are attached with screws to the bottom of the crate. The height of these elements is chosen from 3 to 6 cm in order to form a sufficient ventilation space.
• From above, the roof is sequentially mounted in accordance with the technology of laying tiles, metal profiles, and other material. Ventilation holes are left in the finish surface.

In order for the vapor permeability to turn out to be planned, the integrity of the created layer is checked. Small local repairs can be done using tape. Large holes are covered with a film cut to the desired size.

When choosing, it is necessary to study vapor barrier materials, taking into account a specific purpose. So, for example, more expensive films with reinforcement will not be needed in places where mechanical stress is excluded. A reflective foil layer is not needed where there is no intense infrared radiation. Excess functionality in some situations will be harmful. The final decision must be made on the basis of a careful study of the movement of air, moisture, and other important processes.

Additional protection of high-quality polystyrene foam boards is not needed. These materials have been successfully used for external insulation and foundation waterproofing. When equipped with locking joints, a layer of them does not allow water to pass through. But in the case of roof installation, a reliable vapor barrier film will be needed. It is installed separately, with a ventilation gap, to prevent moisture from penetrating the structure. wooden elements designs.

In the process of studying different materials you need to understand that they will be installed in the depths of the structures. When defects are formed, it will be difficult to eliminate the defects without large costs. emergency situations can quickly render the insulation unusable, which will also cause additional costs.

To prevent such problems, one must carefully choose a manufacturer that can provide reliable quality assurance.

Construction film video

The examples given explain the importance of complex analysis. The comparison should be made taking into account the prices of materials, the cost of their delivery and installation, the installation site, durability, and the features of the operation of the building. This approach will help reduce overall costs and prevent errors.